Diamine anchored molecular junctions of oligo(phenylene ethynylene)cruciform

被引：0

作者：

Yuqing Liu ^{[1
,2
,3
,4
]}

Marco Santella ^{[3
]}

Zhiqiang Fan ^{[1
]}

Xintai Wang ^{[3
]}

Xiangwei Jiang ^{[1
]}

Mogens Br?ndsted Nielsen

Kasper N?rgaard

Bo W.Laursen ^{[3
]}

Jingbo Li ^{[1
]}

Zhongming Wei ^{[1
,2
]}

机构：

[1] State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences

[2] Sino-Danish College, University of Chinese Academy of Science

[3] Nano-Science Center and Department of Chemistry, University of Copenhagen

来源：

ChineseChemicalLetters | 2018年 / 29卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Oligo(phenylene-ethynylene); Tetrathiafulvalene; Diamine; Molecular electronics; Cruciform;

D O I：

暂无

中图分类号：

O621.1 [有机化学理论、物理有机化学];

学科分类号：

摘要：

Using diamine as anchoring group, the self-assembled monolayers(SAMs) based on oligo(phenyleneethynylene)s(OPEs) and cruciform OPEs with an extended tetrathiafulvalene(TTF)(OPE3 and OPE3-TTF)were successfully formed on the Au substrate. The Uniformity and stability of SAMs were confirmed through cyclic voltammetry(CV) and electrochemical reductive desorption. The investigation of transport properties of SAMs was achieved by conducting-probe atomic force microscopy(CP-AFM) with both Au and Pt tips. The results indicated that the conductance of OPE3-TTF was 17 and 46 times that of OPE3 for Au and Pt tips, respectively. Theoretical calculations are qualitatively consistent with the experimental results, suggesting that the diamine as anchoring group has a great potential in molecular electronics.

引用

页码：271 / 275

页数：5

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